Maroneia, Greece offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Maroneia is known for the Ancient Theatre of Maroneia and the Archaeological Site of Maroneia. The best time to travel to Maroneia, Greece, is from May to September, with average air temperatures ranging from 70°F to 85°F and water temperatures from 68°F to 77°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!